Welcome to the Comcast Carrier Services Website. This website contains general information to assist carriers in contacting Comcast concerning matters related to changes in Preferred Telecommunications Service Providers and Carrier-to-Carrier Issues.
If you are unable to find the correct contact information for your issue or question, or if you have a suggestion for adding or changing something on the Comcast Carrier Services website, please call Comcast at 1-800-Xfinity (800-934-6489)>
If you are a Comcast customer who would like to report an issue or you have a question about our new or existing services, please call Comcast at 1-800-Xfinity (800-934-6489).